The Blippoo Box Legacy [Eurorack]

video upload by NOISEBUG

"The Blippoo Box Legacy has found its way into the Eurorack format and it’s feeling right at home.

For more information on the Blippoo Box Legacy, visit Noisebug.net"

BLIPPOO BOX LEGACY - DRONE SELF-PATCH

video upload by biyiblip

"The Blippoo Box Legacy creates
deep drone textures
with a simple self-patch.

The instrument is patched back into itself,
allowing the sound to react, evolve
and slowly transform from within.

Originally designed by Rob Hordijk, the Blippoo Box is a living instrument of interaction, instability, resonance and discovery.

The Blippoo Box Legacy Eurorack is not an imitation, not a replica and not a copy.

It is the continuation of Rob Hordijk’s official legacy through Biyiblip.

CLICK FOR MORE »

BLIPPOO BOX LEGACY EURORACK - PROCESING RADIO INPUT

video upload by biyiblip

"The Blippoo Box Legacy processes external audio
through its Twin Peak Filter.

In this patch,
a radio signal is sent into the audio input
and transformed by the resonant filter section.

Originally designed by Rob Hordijk, the Blippoo Box is a living instrument of interaction, instability, resonance and discovery.

The Blippoo Box Legacy Eurorack is not an imitation, not a replica and not a copy.

It is the continuation of Rob Hordijk’s official legacy through Biyiblip.

A musical language carried forward with respect, care and deep connection to its origin.

A circuit that reacts.
A sound that keeps changing.
A living form of musical chaos inside your modular system.

Each unit is handmade one by one in Mallorca by Biyiblip.

No mass production.
No generic module.
Just a living instrument with a soul."

BLIPPOO BOX LEGACY EURORACK - AUDIO FEEDBACK

video upload by biyiblip

"The Blippoo Box is patched
back into itself.

Its own output is sent through a mixer
and returned to the audio input,
creating an internal feedback loop.

The audio is then shaped and processed
by the Twin Peak Filter."

See the announcement post here.

BLIPPOO BOX LEGACY EURORACK

video upload by biyiblip

"The Blippoo Box enters Eurorack for the first time.

Originally designed by Rob Hordijk, the Blippoo Box is a living instrument of interaction, instability, resonance and discovery.

The Blippoo Box Legacy Eurorack is not an imitation, not a replica and not a copy.

It is the continuation of Rob Hordijk’s official legacy through Biyiblip.

A musical language carried forward with respect, care and deep connection to its origin.

A circuit that reacts.
A sound that keeps changing.
A living form of musical chaos inside your modular system.

Each unit is handmade one by one in Mallorca by Biyiblip.

No mass production.
No generic module.
Just a living instrument with a soul.

Available versions:

🎛 1/4” Jack version
🔌 Banana version
🧩 Eurorack version — first Eurorack edition

🌍 Worldwide shipping available
Now available also through Noisebug."

via Noisebug

"Not just a synthesizer, but an electronic objet d'art with its own distinct character.

Meet the Blippoo Box, an instrument born from a desire to move beyond conventional synthesis. It is, in the words of its creator Rob Hordijk, "bent by design." This philosophy intentionally contradicts the practice of circuit bending—the creative short-circuiting of existing electronics—by instead building an instrument where complex, unpredictable behaviour is a fundamental feature, not a modification.

At its core, the Blippoo Box is an exploration of chaos theory. It is crucial to distinguish the scientific definition of chaos from the common notion of randomness. A random system has no discernible patterns, while a chaotic system is deterministic: its behaviour is governed by fixed, nonlinear rules. However, these systems are so profoundly sensitive to their initial conditions that their long-term behaviour becomes practically unpredictable. This fascinating duality is the engine that drives the Blippoo Box.

This is what is meant by "well-tempered chaos." The instrument is engineered to constantly seek out "balanced states"—what mathematicians call attractors. Within these states, the machine generates patterns that, while never perfectly repeating, have roughly predictable sonic characteristics. These patterns can persist, creating a stable soundscape, before a tiny change in a knob's position pushes the system across a threshold, causing it to "bifurcate" and settle into a new, entirely different balanced state.

This design fundamentally changes the relationship between performer and instrument. It moves away from total control and toward a dynamic of interaction and improvisation. To play the Blippoo Box is to enter into a dialogue with a system that has its own agency and tendencies. The performer learns to guide, influence, and react to the instrument's chaotic nature rather than dictating its every move.

Plug in, experiment, and let it take your performances to the next level."

Rungling in the Continuous and Discrete

video upload by La Synthèse Humaine

"New Uses for Old Circuits is a series looking at linear and nonlinear processes in the modular system.

RIP Rob Hordijk

0:00 Rob Hordijk
2:56 A Culinary Aside
5:59 The Blippoo Box
6:46 The Rungler
9:44 Sounds of the Blippoo Box
13:31 Building an Analog Shift Register
17:54 Making it Rungle
21:28 The Circular Transformation of Continuous into Discrete and Back Again
23:02 Comparators, PWM, and Approximating the Blippoo Box Sound
24:40 Twin Peak Resonator and Subtracting Filters
26:48 Blippoo Box Extensions
29:49 ...
30:57 A Conclusion

Check out my Patreon here: / lasynthesehumaine"

Ekdahl Quad Massager Quadraphonic VCA / Mixer / LFO

Note: links to listings are affiliate links for which the site may be compensated.

These appear to be the first demos of the Ekdahl Quad Massager to be featured on the site. The first video is from 15 years ago.

Playlist:

1. Ekdahl Quadmassager in 4 input "mix" mode - Drew Daniel

The Ekdahl Quadmassager is a quadrophonic panner and so much more. This video is very STEREO, but should be in Quad, but, well, that's not very practical, is it?, so please go do a show in quad or see one...in the meantime visit us at the webpage in the video, or come see us at the True Vine Record Shop in Hampden in beautiful Baltimore, the City that Reads. The Quadmassager was designed and built by Karl Ekdahl of KNAS and a little bit by M.C. Schmidt of Matmos.

2. Knas Ekdahl Quad Massager As a CV mixer - Shirato_Noise

The output of the unpredictable blend of the four Fourses signals modulates the Denum.

3. Soundscape #034 Memories of Glaciers (Mobenthey, Mannequins, Blippoo, Knas Quad Massager) - Shirato_Noise
4. Noise Sketch #247 Clockwise (Ieaskul F. Mobenthey, Knas Quad Massager, Papa Srapa, Blippoo Box) - Shirato_Noise
5. Noise Sketch #244 Message (Ieaskul F. Mobenthey, Knas Quad Massager) - Shirato_Noise

via this eBay listing

See this previous post for specs/features.

CLICK FOR MORE »

Sketches in Blippoo

video upload by NOISEBUG

"The Blippoo Box Legacy is not just a simple nosie synth. With the right pairings, it can be the source of a wide range of soundscapes. Blippoo Box Legacy comes in 1/4” jack and banana jack version. Available exclusively at Noisebug.net"

A Recipe For Chaotic Beauty | Modular Classroom | Episode 04

video upload by Cinematic Laboratory

"This series is a bit more advanced than usual, but this does not mean 'difficult', it means 'low level'. I will revisit Rob Hordijk's Benjolin and Blippoo Box again, not to recreate them, but to understand its components a bit more so they can be used elsewhere. We'll build a Twin Peak filter with Blades and Blinds (or any duo filter with a polarizer), a Comparator with Maths - which can make amazing new sounds using any two VCO's, I'll revisit the Rungler with Marbles and finally I've been looking for ways to detect equality between two voltages so we can generate a trigger or gate. I am not aware of any comparator that has an '=' output, but I figured out a way to approximate it with Maths.

I've been using ChatGPT as a research tool and it came up with the Twin Peak recipe after scrutinizing documentation on the web. But it also claimed that using Maths for equality detection would not work, because EOC is documented to be 'end of full cycle'. We already figured out in Episode 01 of this series, that EOC is always ON, and off when a RISE is in progress. This is needed to do quadrature functions, bla bla bla, but the point is that AI can be misinformed. Regardless, AI has reached a point where you can actually discuss patches and ChatGPT knows a LOT of modules, options, techniques and alternatives. So how do I know so much? I don't. It's co-creation.

Even though this episode features a lot of chaos, I tried to find the cool textures that make the Blippoo Box so entertaining, and figure out why the Benjolin is so untameable (may I say annoying?)

00:00 Introduction
00:51 Blippoo Box emulation for the Meng-Qi Wingie 2
05:02 Patching a Twin Peak filter with Blades and Blinds
08:03 Patching a Comparator with Maths
12:34 Patching a Rungler with Marbles and any VCO
14:43 Blippoo Box S&H and equality detection with Maths
18:45 Final Thoughs and a dual Benjolin / Marbles (multi-track) Jam."

The Return of the Blippoo Box

video upload by NOISEBUG

"Biyiblip’s faithful recreation of Rob Hordijk’s highly influential Blipoo Box is here. Noisebug is the Exclusive North American distributor of the Blippoo Box Legacy. Available in 1/4” phone jack or banana jack. Enjoy over 10 minutes of straight experimental blips and bleeps, drones and more. For more information visit Nosiebug.net

In stock and ready to ship today!"

Meet the BLIPPOO BOX LEGACY

video uploads by biyiblip

Playlist:

1. 🎶 Unboxing the NEW Blippoo Box Legacy – A Tribute to Rob Hordijk.
2. 🌀 Biyiblip - The NEW Blippoo Box Legacy – Chaos, Sound & Rob Hordijk’s Legacy
3. 🎶 Blippoo Box Legacy – 5 Patches That Celebrate Rob Hordijk’s Vision.
4. 🔊 Blippoo Box Legacy + Radio – Experimental Filter Chaos.

"The first look is always the most exciting. In this video, I unbox the Blippoo Box Legacy – a handmade reissued, designed by Rob Hordijk and now continued by Biyiblip. Every detail is part of his living legacy.

DOWNLOAD THE BLIPPOO BOX LEGACY USER MANUAL HERE :👇

https://drive.google.com/drive/folder...

For prices and availability... 👇

Write to: biyiblip@gmail.com"

Life’s a Blip! // Biyiblip // Blippulator

video upload by NOISEBUG

"The Blippulator is now available at Nosiebug

https://www.noisebug.net/products/biy...

Meet blippulator, the quirky offspring of Rob Hordijk’s legendary designs, blending the heart of a Blippoo Box with the chaotic energy of a Benjolin.

Born from the mind of Hordijk's sonic explorations and further refined by Biyi, Blippulator takes everything we love about these classics and adds a fresh twist.

At its core, blippulator features extensive CV control, letting you dial in and modulate key parameters like the pitch of its two oscillators and the cutoff frequencies of its dual resonant filters. These aren’t just any filters—they’ve got that twin-peak magic that Hordijk fans will instantly recognise, adding a complex, organic edge to your sound.

One of blippulator’s coolest tricks? You can select any two arbitrary signals to create a custom PWM waveform, adding a layer of flexibility and unpredictability to your patches. Whether you’re controlling it from a Eurorack system or another external device, the 0-5V CV inputs and outputs make it a breeze to integrate into your setup. The panel is user-friendly, making it easy to get hands-on with your sound and improvise live.

And just when you think you’ve got it figured out, blippulator’s got a few secret weapons up its sleeve to keep things interesting in your performances. It’s a powerful tribute to Rob Hordijk’s genius, honouring his designs while pushing them in new directions, making it a must-have for anyone who loves modular synthesis and sonic exploration.

Blippulator is more than a synthesizer—it's a celebration of the past and the future of sound design, with a nod to one of the most innovative minds in the field. Plug in, experiment, and let it take your performances to the next level"

Blippoo Box patch with MetaModule

video upload by 4ms Company

Rob Hordijk Blippoo Box (Original, VSJ)

Note: links to listings are affiliate links for which the site may be compensated.
Blippoo just out of the Box video upload by Todd Barton

Note this video is from Tood Barton posted back in 2009. It is the not the Blippo Box listed below, but was included in the listing for demo purposes only. I didn't see it in the archives so up it goes.

via this listing

CLICK FOR MORE »

Meet the BLIPPULATOR - KAOTIC BLIPPING SYNTH

video uploads by biyiblip

From the maker of Gibber.

Playlist:
1. BLIPPULATOR - KAOTIC BLIPPING SYNTH
2. PATCH EXAMPLES FROM THE BLIPPULATOR USER MANUAL
3. BLIPPULATOR UNBOXING

"Meet blippulator, the quirky offspring of Rob Hordijk’s legendary designs, blending the heart of a Blippoo Box with the chaotic energy of a Benjolin.

Born from the mind of Hordijk's sonic explorations and further refined by Biyi Amez (BIYIBLIP), Blippulator takes everything we love about these classics and adds a fresh twist.

At its core, blippulator features extensive CV control, letting you dial in and modulate key parameters like the pitch of its two oscillators and the cutoff frequencies of its dual resonant filters. These aren’t just any filters—they’ve got that twin-peak magic that Hordijk fans will instantly recognise, adding a complex, organic edge to your sound.

One of blippulator’s coolest tricks? You can select any two arbitrary signals to create a custom PWM waveform, adding a layer of flexibility and unpredictability to your patches. Whether you’re controlling it from a Eurorack system or another external device, the 0-5V CV inputs and outputs make it a breeze to integrate into your setup.

The panel is user-friendly, making it easy to get hands-on with your sound and improvise live.

And just when you think you’ve got it figured out, blippulator’s got a few secret weapons up its sleeve to keep things interesting in your performances.

It’s a powerful tribute to Rob Hordijk’s genius, honouring his designs while pushing them in new directions, making it a must-have for anyone who loves modular synthesis and sonic exploration.

Blippulator is more than a synthesizer—it's a celebration of the past and the future of sound design, with a nod to one of the most innovative minds in the field.

Plug in, experiment, and let it take your performances to the next level.

How to get one?
Write an email to: biyiblip@gmail.com

Check and dowload the Blippulator user manual here:

https://drive.google.com/file/d/1JqsN...

biyiblip - happy people synths."

Note: previously biyiblip posts had the Biyi Amez label. Moving forward they will have the biyiblip label. Click the labels below for more.

It's a Rungle outthere | Cybernetics EP02 | From Benjolin to Blippoo Box

video upload by Cinematic Laboratory

"The Benjolin is a powerful module. For many, it's a chaotic noise source, which was exactly the point of the design. The Blippoo Box is less chaotic, more musical and designed as an experimental instrument. It's more a Pandora's Box. Both have the Rungler in common. It refers to a shift register circuit, but also to the 5U module that includes two VCO's and is not unlike the Benjolin's chaotic core. I do not own a Blippoo Box for obvious reasons (it's now priceless) but I do love my Benjolin. It's going to be a noisy video where I'll try the Rungler concept on Marbles and XAOC Leibniz.
Marbles is a cool extension to the Benjolin, and the Benjolin can also be a great conventional complex VCO.

Rob Hordijk designed the Rungler module (and circuit) to cover the space between a fundamental sinewave and the total chaos of white noise. A creative source of designer noise to enrich your patch. And wow, what a designer he was."

When Forbidden Planet And Chaos Theory Meet - The Blippoo Box

video upload by HAINBACH

""Forbidden Planet in a box" - the Blippoo Box by the late Rob Hordijk is a wonderfully out there electronic instrument. Based on chaos theory and a love for vintage Sci-Fi it creates organic and liquid tones that keep inspiring even after a long time. Originally made in small batches and sold for about 650EUR, it became very desired among hardcore synthesizer freaks and experimental musicians. This drove prices up to the thousands even during Rob's lifetime, and even higher after. I never thought I would own one, but a lucky trade happened. In this video I tell the tale of the Third Monk (as written by Uncle Meatball), demo the Blippoo's sound and features, as well as showing modern alternatives.
Sources listed below.

Music, Soundpack and thanks: https://www.patreon.com/hainbach"

SOURCES:
https://sdiy.info/wiki/Rob_Hordijk_De...
https://muse.jhu.edu/article/363697/pdf
https://modwiggler.com/forum/viewtopi...
https://community.vcvrack.com/t/blipp...

Stereo Transfer Function Synthesizer - Proof of Concept (Teensy)

video upload by Ryan Gaston

"A simple demonstration of some of the sounds yielded from a simple Teensy-based synthesizer. This is a proof of concept more than anything else; ultimately, this will be integrated into a more complete instrument.

The internal signal path is based on a combination of phase modulation, frequency modulation, and digital waveshaping via arbitrarily constructed transfer functions. Three oscillators intertwine in various ways, each contributing to the sound's instantaneous timbre, pitch, loudness, and sense of spatial location. The use of many internal feedback/feedforward nodes enhances the potential for chaotic, unpredictable sonic structures.

Originally, the idea was to create a stereo oscillator with transfer function-based waveshaping; however, I found that with a sufficiently knotted internal signal flow, it was possible to achieve a pretty astonishing range of animated sounds using relatively limited means. Though very much inspired by the Hordijk Blippoo Box, Hordijk Benjolin, Serge Wave Multipliers, Buchla Touché, Buchla 400, Buchla 700, and Buchla 259e, and some experimental works by Larry Polansky, I'm finding that there's much more sonic territory to be explored utilizing the bizarre combination of feedback and waveshaping via arbitrary transfer functions.

Again, I hope to continue to expand this into a more complete, performable instrument. But for now, enjoy some noise."

Soundscape #045 Spiral of Flow (Monome, Ciat-Lonbarde, Blippoo, GND-1, Daxophone, Drymba, Guitar)

video upload by Shirato_Noise

"Sketch of Sound Experiments."

Bifurcate

video upload by UncertainMusicCorps

"Continuing to explore the Wingie Blippoo firmware, this time trying to find a slightly more restrained way of working and allowing something to develop over a bit more time.

Paired with a BC9 on the line input for extra unpredictability. And sending it all out via a QuBit Aurora (standard firmware) for atmospherics.

I am loving the soundscapes this thing creates. Really regret not picking up an original Blippoo when I had the chance years ago."